Hardware Spec Index

Teralux FN-3881 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3881-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index765 (Case Fans scale)
Category rank#40,958
Street price$19
Power3 W
Performance per dollar40.26
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3881 Ultra
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3881 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/7103541 (accessed 2026-10-20).